Friday, August 7, 1987 at 5:51 AM
1987-08-06 21:51 UTC · 3.756°, 125.344°
Magnitude
4.3 mb
Moderate
Depth
71 km
Intermediate
Energy
43 tons of TNT
Gutenberg–Richter
Coordinates
3.756°, 125.344°
Felt reports
—
Tsunami
No
Source
USGS
Region
Celebes Sea
Felt widely; can cause minor damage to weak structures.
At 71 km this was a intermediate earthquake. Intermediate-depth quakes spread shaking over a wider area but are usually less destructive at the surface.
This event sits in the Moderate range of the moment magnitude scale.
Nearest mapped structure: Cotabato Trench (~190 km away).
Area seismic-hazard score: 15/100 (low).
Data from USGS. Magnitudes and locations are preliminary and may be revised. For official information consult PHIVOLCS / USGS.